本文整理汇总了C++中Font::GetDisplayListID方法的典型用法代码示例。如果您正苦于以下问题：C++ Font::GetDisplayListID方法的具体用法？C++ Font::GetDisplayListID怎么用？C++ Font::GetDisplayListID使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Font的用法示例。
在下文中一共展示了Font::GetDisplayListID方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Print
void FontMan::Print(const char * fontName, float x, float y, const char *fmt, ...) {
// We want a coordinate system where things coresponding to window pixels.
PushScreenCoordinateMatrix();
char OLDtext[256]; // Holds Our String
va_list ap; // Pointer To List Of Arguments
if (fmt == NULL) // If There's No Text
*OLDtext=0; // Do Nothing
else {
va_start(ap, fmt); // Parses The String For Variables
vsprintf(OLDtext, fmt, ap); // And Converts Symbols To Actual Numbers
va_end(ap); // Results Are Stored In Text
}
Font * font = fontMap[fontName];
if(font == NULL)
{
fprintf(stderr, "Font with name %s doesn't exist. I can't print %s.\n", fontName, OLDtext);
return;
}
GLuint listID = font->GetDisplayListID();
float textHeihgt = font->GetHeight();
float lineHeight = textHeihgt / 0.63f;
//Here is some code to split the text that we have been
//given into a set of lines.
//This could be made much neater by using
//a regular expression library such as the one avliable from
//boost.org (I've only done it out by hand to avoid complicating
//this tutorial with unnecessary library dependencies).
wchar_t * NEWtext;
NEWtext = ToWChar(OLDtext);
const wchar_t *start_line=NEWtext;
vector<wstring> lines;
wchar_t *c;
for(c=NEWtext;*c;c++) { //puvodene const wchar_t *c=NEWtext
if(*c=='\n') {
wstring line;
for(const wchar_t *n=start_line;n<c;n++) line.append(1,*n);
lines.push_back(line);
start_line=c+1;
}
}
if(start_line) {
wstring line;
for(const wchar_t *n=start_line;n<c;n++) line.append(1,*n);
lines.push_back(line);
}
/*
for(c=NEWtext ;*c;c++) {
if(*c=='\n') {
wstring line;
for(const int *n=start_line;n<c;n++) line.append(1,*n);
lines.push_back(line);
start_line=c+1;
}
}
if(start_line) {
wstring line;
for(const int *n=start_line;n<c;n++) line.append(1,*n);
lines.push_back(line);
}*/
glPushAttrib(GL_LIST_BIT | GL_CURRENT_BIT | GL_ENABLE_BIT | GL_TRANSFORM_BIT);
glMatrixMode(GL_MODELVIEW);
glDisable(GL_LIGHTING);
glEnable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glListBase(listID);
float modelview_matrix[16];
glGetFloatv(GL_MODELVIEW_MATRIX, modelview_matrix);
//This is where the text display actually happens.
//For each line of text we reset the modelview matrix
//so that the line's text will start in the correct position.
//Notice that we need to reset the matrix, rather than just translating
//down by h. This is because when each character is
//draw it modifies the current matrix so that the next character
//will be drawn immediatly after it.
float dx = 0.0f, dy = 0.0f;
for(unsigned int loop1 = 0; loop1 < lines.size(); loop1++) {
AlignTextCoord(dx, dy, GetTextWidth(fontName, lines[loop1].c_str()), lineHeight * (lines.size() - 1) + textHeihgt);
glPushMatrix();
glLoadIdentity();
glTranslatef(x + dx, y + dy + (lineHeight * loop1) + textHeihgt, 0);
glMultMatrixf(modelview_matrix);
glCallLists(lines[loop1].length(), GL_UNSIGNED_SHORT, lines[loop1].c_str());//NEWCESTINA
//.........这里部分代码省略.........